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package de.thedevstack.conversationsplus.ui;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import org.whispersystems.libaxolotl.IdentityKey;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import de.thedevstack.conversationsplus.ConversationsPlusColors;
import de.thedevstack.conversationsplus.R;
import de.thedevstack.conversationsplus.crypto.axolotl.AxolotlService;
import de.thedevstack.conversationsplus.crypto.axolotl.XmppAxolotlSession;
import de.thedevstack.conversationsplus.entities.Account;
import de.thedevstack.conversationsplus.entities.Contact;
import de.thedevstack.conversationsplus.entities.Conversation;
import de.thedevstack.conversationsplus.utils.ui.TextViewUtil;
import de.thedevstack.conversationsplus.xmpp.OnKeyStatusUpdated;
import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException;
import de.thedevstack.conversationsplus.xmpp.jid.Jid;
public class TrustKeysActivity extends XmppActivity implements OnKeyStatusUpdated {
private List<Jid> contactJids;
private Account mAccount;
private Conversation mConversation;
private TextView keyErrorMessage;
private LinearLayout keyErrorMessageCard;
private TextView ownKeysTitle;
private LinearLayout ownKeys;
private LinearLayout ownKeysCard;
private LinearLayout foreignKeys;
private Button mSaveButton;
private Button mCancelButton;
private AxolotlService.FetchStatus lastFetchReport = AxolotlService.FetchStatus.SUCCESS;
private final Map<String, Boolean> ownKeysToTrust = new HashMap<>();
private final Map<Jid,Map<String, Boolean>> foreignKeysToTrust = new HashMap<>();
private final OnClickListener mSaveButtonListener = new OnClickListener() {
@Override
public void onClick(View v) {
commitTrusts();
finishOk();
}
};
private final OnClickListener mCancelButtonListener = new OnClickListener() {
@Override
public void onClick(View v) {
setResult(RESULT_CANCELED);
finish();
}
};
@Override
protected void refreshUiReal() {
invalidateOptionsMenu();
populateView();
}
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_trust_keys);
this.contactJids = new ArrayList<>();
for(String jid : getIntent().getStringArrayExtra("contacts")) {
try {
this.contactJids.add(Jid.fromString(jid));
} catch (InvalidJidException e) {
e.printStackTrace();
}
}
keyErrorMessageCard = (LinearLayout) findViewById(R.id.key_error_message_card);
keyErrorMessage = (TextView) findViewById(R.id.key_error_message);
ownKeysTitle = (TextView) findViewById(R.id.own_keys_title);
ownKeys = (LinearLayout) findViewById(R.id.own_keys_details);
ownKeysCard = (LinearLayout) findViewById(R.id.own_keys_card);
foreignKeys = (LinearLayout) findViewById(R.id.foreign_keys);
mCancelButton = (Button) findViewById(R.id.cancel_button);
mCancelButton.setOnClickListener(mCancelButtonListener);
mSaveButton = (Button) findViewById(R.id.save_button);
mSaveButton.setOnClickListener(mSaveButtonListener);
if (getActionBar() != null) {
getActionBar().setHomeButtonEnabled(true);
getActionBar().setDisplayHomeAsUpEnabled(true);
}
}
private void populateView() {
setTitle(getString(R.string.trust_omemo_fingerprints));
ownKeys.removeAllViews();
foreignKeys.removeAllViews();
boolean hasOwnKeys = false;
boolean hasForeignKeys = false;
for(final String fingerprint : ownKeysToTrust.keySet()) {
hasOwnKeys = true;
addFingerprintRowWithListeners(ownKeys, mAccount, fingerprint, false,
XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint)), false,
new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
ownKeysToTrust.put(fingerprint, isChecked);
// own fingerprints have no impact on locked status.
}
},
null,
null
);
}
synchronized (this.foreignKeysToTrust) {
for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) {
hasForeignKeys = true;
final LinearLayout layout = (LinearLayout) getLayoutInflater().inflate(R.layout.keys_card, foreignKeys, false);
final Jid jid = entry.getKey();
final TextView header = (TextView) layout.findViewById(R.id.foreign_keys_title);
final LinearLayout keysContainer = (LinearLayout) layout.findViewById(R.id.foreign_keys_details);
final TextView informNoKeys = (TextView) layout.findViewById(R.id.no_keys_to_accept);
header.setText(jid.toString());
final Map<String, Boolean> fingerprints = entry.getValue();
for (final String fingerprint : fingerprints.keySet()) {
addFingerprintRowWithListeners(keysContainer, mAccount, fingerprint, false,
XmppAxolotlSession.Trust.fromBoolean(fingerprints.get(fingerprint)), false,
new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
fingerprints.put(fingerprint, isChecked);
lockOrUnlockAsNeeded();
}
},
null,
null
);
}
if (fingerprints.size() == 0) {
informNoKeys.setVisibility(View.VISIBLE);
informNoKeys.setText(getString(R.string.no_keys_just_confirm,mAccount.getRoster().getContact(jid).getDisplayName()));
} else {
informNoKeys.setVisibility(View.GONE);
}
foreignKeys.addView(layout);
}
}
ownKeysTitle.setText(mAccount.getJid().toBareJid().toString());
ownKeysCard.setVisibility(hasOwnKeys ? View.VISIBLE : View.GONE);
foreignKeys.setVisibility(hasForeignKeys ? View.VISIBLE : View.GONE);
if(hasPendingKeyFetches()) {
TextViewUtil.disable(this.mSaveButton, ConversationsPlusColors.secondaryText(), R.string.fetching_keys);
} else {
if (!hasForeignKeys && hasNoOtherTrustedKeys()) {
keyErrorMessageCard.setVisibility(View.VISIBLE);
if (lastFetchReport == AxolotlService.FetchStatus.ERROR
|| mAccount.getAxolotlService().fetchMapHasErrors(contactJids)) {
keyErrorMessage.setText(R.string.error_no_keys_to_trust_server_error);
} else {
keyErrorMessage.setText(R.string.error_no_keys_to_trust);
}
ownKeys.removeAllViews();
ownKeysCard.setVisibility(View.GONE);
foreignKeys.removeAllViews();
foreignKeys.setVisibility(View.GONE);
}
lockOrUnlockAsNeeded();
mSaveButton.setText(R.string.done);
}
}
private boolean reloadFingerprints() {
List<Jid> acceptedTargets = mConversation == null ? new ArrayList<Jid>() : mConversation.getAcceptedCryptoTargets();
ownKeysToTrust.clear();
AxolotlService service = this.mAccount.getAxolotlService();
Set<IdentityKey> ownKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED);
for(final IdentityKey identityKey : ownKeysSet) {
if(!ownKeysToTrust.containsKey(identityKey)) {
ownKeysToTrust.put(identityKey.getFingerprint().replaceAll("\\s", ""), false);
}
}
synchronized (this.foreignKeysToTrust) {
foreignKeysToTrust.clear();
for (Jid jid : contactJids) {
Set<IdentityKey> foreignKeysSet = service.getKeysWithTrust(XmppAxolotlSession.Trust.UNDECIDED, jid);
if (hasNoOtherTrustedKeys(jid) && ownKeysSet.size() == 0) {
foreignKeysSet.addAll(service.getKeysWithTrust(XmppAxolotlSession.Trust.UNTRUSTED, jid));
}
Map<String, Boolean> foreignFingerprints = new HashMap<>();
for (final IdentityKey identityKey : foreignKeysSet) {
if (!foreignFingerprints.containsKey(identityKey)) {
foreignFingerprints.put(identityKey.getFingerprint().replaceAll("\\s", ""), false);
}
}
if (foreignFingerprints.size() > 0 || !acceptedTargets.contains(jid)) {
foreignKeysToTrust.put(jid, foreignFingerprints);
}
}
}
return ownKeysSet.size() + foreignKeysToTrust.size() > 0;
}
@Override
public void onBackendConnected() {
Intent intent = getIntent();
this.mAccount = extractAccount(intent);
if (this.mAccount != null && intent != null) {
String uuid = intent.getStringExtra("conversation");
this.mConversation = xmppConnectionService.findConversationByUuid(uuid);
reloadFingerprints();
populateView();
}
}
private boolean hasNoOtherTrustedKeys() {
return mAccount == null || mAccount.getAxolotlService().anyTargetHasNoTrustedKeys(contactJids);
}
private boolean hasNoOtherTrustedKeys(Jid contact) {
return mAccount == null || mAccount.getAxolotlService().getNumTrustedKeys(contact) == 0;
}
private boolean hasPendingKeyFetches() {
return mAccount != null && mAccount.getAxolotlService().hasPendingKeyFetches(mAccount, contactJids);
}
@Override
public void onKeyStatusUpdated(final AxolotlService.FetchStatus report) {
if (report != null) {
lastFetchReport = report;
runOnUiThread(new Runnable() {
@Override
public void run() {
switch (report) {
case ERROR:
Toast.makeText(TrustKeysActivity.this,R.string.error_fetching_omemo_key,Toast.LENGTH_SHORT).show();
break;
case SUCCESS_VERIFIED:
Toast.makeText(TrustKeysActivity.this,R.string.verified_omemo_key_with_certificate,Toast.LENGTH_LONG).show();
break;
}
}
});
}
boolean keysToTrust = reloadFingerprints();
if (keysToTrust || hasPendingKeyFetches() || hasNoOtherTrustedKeys()) {
refreshUi();
} else {
runOnUiThread(new Runnable() {
@Override
public void run() {
finishOk();
}
});
}
}
private void finishOk() {
Intent data = new Intent();
data.putExtra("choice", getIntent().getIntExtra("choice", ConversationActivity.ATTACHMENT_CHOICE_INVALID));
setResult(RESULT_OK, data);
finish();
}
private void commitTrusts() {
for(final String fingerprint :ownKeysToTrust.keySet()) {
mAccount.getAxolotlService().setFingerprintTrust(
fingerprint,
XmppAxolotlSession.Trust.fromBoolean(ownKeysToTrust.get(fingerprint)));
}
List<Jid> acceptedTargets = mConversation == null ? new ArrayList<Jid>() : mConversation.getAcceptedCryptoTargets();
synchronized (this.foreignKeysToTrust) {
for (Map.Entry<Jid, Map<String, Boolean>> entry : foreignKeysToTrust.entrySet()) {
Jid jid = entry.getKey();
Map<String, Boolean> value = entry.getValue();
if (!acceptedTargets.contains(jid)) {
acceptedTargets.add(jid);
}
for (final String fingerprint : value.keySet()) {
mAccount.getAxolotlService().setFingerprintTrust(
fingerprint,
XmppAxolotlSession.Trust.fromBoolean(value.get(fingerprint)));
}
}
}
if (mConversation != null && mConversation.getMode() == Conversation.MODE_MULTI) {
mConversation.setAcceptedCryptoTargets(acceptedTargets);
xmppConnectionService.updateConversation(mConversation);
}
}
private void lockOrUnlockAsNeeded() {
synchronized (this.foreignKeysToTrust) {
for (Jid jid : contactJids) {
Map<String, Boolean> fingerprints = foreignKeysToTrust.get(jid);
if (hasNoOtherTrustedKeys(jid) && (fingerprints == null || !fingerprints.values().contains(true))) {
TextViewUtil.disable(this.mSaveButton, ConversationsPlusColors.secondaryText());
return;
}
}
}
TextViewUtil.enable(this.mSaveButton, ConversationsPlusColors.primaryText());
}
}
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